/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.trino.testing.containers;

import org.testcontainers.images.ImagePullPolicy;
import org.testcontainers.images.PullPolicy;
import org.testcontainers.utility.DockerImageName;

import static java.lang.System.getenv;

public class ConditionalPullPolicy
        implements ImagePullPolicy
{
    public static final boolean TESTCONTAINERS_NEVER_PULL = "true".equalsIgnoreCase(getenv("TESTCONTAINERS_NEVER_PULL"));
    private static final ImagePullPolicy defaultPolicy = PullPolicy.defaultPolicy();

    @Override
    public boolean shouldPull(DockerImageName imageName)
    {
        if (TESTCONTAINERS_NEVER_PULL) {
            return false;
        }
        return defaultPolicy.shouldPull(imageName);
    }
}
